/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:DELL
 * Date:2024-10-16
 * Time:23:04
 */
    import java.util.Scanner;

    public class Main {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            while (scanner.hasNextInt()) {
                int x = scanner.nextInt();
                int y = scanner.nextInt();
                Data data = new Data(x, y);
                System.out.println(data.getX() + data.getY());
            }
        }
    }
    class Data {
        private int x;
        private int y;
        public Data(int x, int y) {
            this.x = x;
            this.y = y;
        }
        public int getX() {
            return x;
        }
        public int getY() {
            return y;
        }
    }

